Ian Krukow, Nora Neuert, Dieter Dinkler

DOI Number: N/A

Conference number: IFASD-2015-134

The continuously rising volume of air traffic demands for a correspondingly rising capacity of airports. One possible scenario is the extended use of small, existing airports for point-to-point connections. However, in order to use the shorter runways, the high-lift systems have to be improved significantly. This can be achieved by active circulation control making use of the Coanda effect. Though subject to research for several decades, there are still a number of issues to consider in order to make it work for a commercial aircraft. Investigating the aeroelastic behaviour is essential for stability issues. It turns out that the application of active circulation control leads to two additional flutter phenomena, which do not occur with conventional aircraft. Both of them are single degree of freedom flutter – related to heave and pitch motion, respectively – occurring at low velocities as in landing approach.

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In Categories: 2. IFASD 2015, Computational Aeroelasticity
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